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SOUTHCOM Component Commands & Units

SOUTHCOM missions are carried out by its component commands.  There are four representing ‎each military service and one specializing in Special Operations missions:

Located at Fort Sam Houston, Texas, ARSOUTH forces include aviation, intelligence, communication, and logistics units.  ARSOUTH supports regional disaster relief and counterdrug efforts. ARSOUTH  also exercises oversight, planning, and logistical support for humanitarian and civic assistance projects throughout the region in support of the USSOUTHCOM Theater Security Cooperation Strategy.  ARSOUTH provides Title X and Executive Agent responsibilities throughout the Latin American and Caribbean region.
Located at Davis-Monthan Air Force Base, Arizona, AFSOUTH consists of a staff; an Air and Space Operations Center for command and control of air activity in the USSOUTHCOM area and an Air Force operations group responsible for Air Force forces in the area. AFSOUTH serves as the executive agent for forward operating locations; provides joint/combined radar surveillance architecture oversight; provides intra-theater airlift; and supports USSOUTHCOM’s Theater Security Cooperation Strategy through regional disaster relief exercises and counter-drug operations. AFSOUTH also provides oversight, planning, execution, and logistical support for humanitarian and civic assistance projects and hosts a number of Airmen-to-Airmen conferences.
Located at Mayport Naval Station, Jacksonville, Florida, U.S. Naval Forces Southern Command/U.S. Fourth Fleet (USNAVSO/FOURTHFLT) employs maritime forces in cooperative maritime security operations in order to maintain access, enhance interoperability, and build enduring partnerships that foster regional security in the U.S. Southern Command Area of Responsibility (USSOUTHCOM AOR). 
USNAVSO/FOURTHFLT Lines of Operation:
1. Security Cooperation Activities
2. Maritime Security Operations
3. Contingency Operations!/armysouth!/AFSOUTH
Located in Miami, Florida, USMARFORSOUTH commands all United States Marine Corps Forces (MARFORs) assigned to USSOUTHCOM; advises USSOUTHCOM on the proper employment and support of MARFORs; conducts deployment/redeployment planning and execution of assigned/attached MARFORs; and accomplishes other operational missions as assigned.
Located at Homestead Air Reserve Base near Miami, Florida, USSOCSOUTH provides the primary theater contingency response force and plans, prepares for, and conducts special operations in support of USSOUTHCOM. USSOCSOUTH controls all Special Operations Forces in the region and also establishes and operates a Joint Special Operations Task Force when required.!/pages/SOCSOUTH/357650984604!/SOCSOUTH

There are also three task forces with specific missions in the region that report to U.S. Southern Command:

Located at Soto Cano Air Base, Honduras, JTF-Bravo operates a forward, all-weather day/night C-5-capable airbase. JTF-Bravo organizes multilateral exercises and supports, in cooperation with our partner nations, humanitarian and civic assistance, counterdrug, contingency and disaster relief operations in Central America.
Located at U.S. Naval Station Guantanamo Bay, Cuba, JTF-Guantanamo conducts detention and interrogation operations in support of the War on Terrorism, coordinates and implements detainee screening operations, and supports law enforcement and war crimes investigations as well as Military Commissions for Detained Enemy Combatants. JTF-Guantanamo is also prepared to support mass migration operations at Naval Station GTMO.
Located in Key West, Florida, JIATF South is an interagency task force that serves as the catalyst for integrated and synchronized interagency counter-drug operations and is responsible for the detection and monitoring of suspect air and maritime drug activity in the Caribbean Sea, Gulf of Mexico, and the eastern Pacific. JIATF-South also collects, processes, and disseminates counter-drug information for interagency operations.!/pages/Joint-Task-Force-Bravo/172329986141?v=wall&ref=ts!/jtfbravo!/pages/Joint-Task-Force-Guantanamo/122962814401760?sk=wall!/JTFGTMO

Direct Reporting Units:

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Located in Washington D.C., the Center for Hemispheric Defense Studies provides education, and conducts outreach, research and knowledge-sharing activities on defense and international security policy-making with military and civilian leaders of the Western Hemisphere.